This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Gain 20% Lifesteal.
Reduce the Cooldown of Battle Shout by 1.2s.
Increase your maximum Ammo by 15.
Heal for an additional 80 after activating Battle Shout.
Generate 8 Ammo after activating Battle Shout.
Targets hit by Commander's Grab are Stunned for an additional 1.4s.